./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a7679b9688c44fd84543e8b684d34e72b379518d806d27199a245477e871776 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:01:02,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:01:02,890 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:01:02,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:01:02,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:01:02,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:01:02,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:01:02,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:01:02,922 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:01:02,922 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:01:02,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:01:02,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:01:02,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:01:02,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:01:02,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:01:02,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:01:02,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:01:02,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:01:02,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:01:02,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:01:02,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:01:02,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:01:02,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:01:02,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:01:02,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:01:02,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:01:02,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:01:02,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:01:02,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:01:02,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:01:02,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:01:02,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:01:02,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:01:02,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:01:02,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:01:02,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:01:02,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:01:02,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:01:02,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:01:02,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:01:02,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:01:02,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:01:02,934 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a7679b9688c44fd84543e8b684d34e72b379518d806d27199a245477e871776 [2024-11-19 22:01:03,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:01:03,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:01:03,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:01:03,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:01:03,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:01:03,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2024-11-19 22:01:04,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:01:04,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:01:04,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2024-11-19 22:01:04,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480b5edc/e78b78cade5a4dda8f704ff4344736b7/FLAG2ed02c503 [2024-11-19 22:01:04,580 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0480b5edc/e78b78cade5a4dda8f704ff4344736b7 [2024-11-19 22:01:04,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:01:04,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:01:04,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:01:04,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:01:04,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:01:04,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:04" (1/1) ... [2024-11-19 22:01:04,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39836490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:04, skipping insertion in model container [2024-11-19 22:01:04,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:04" (1/1) ... [2024-11-19 22:01:04,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:01:05,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51682,51695] [2024-11-19 22:01:05,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:01:05,103 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:01:05,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [48] [2024-11-19 22:01:05,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1128] [2024-11-19 22:01:05,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1252] [2024-11-19 22:01:05,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1618] [2024-11-19 22:01:05,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1913] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2318] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [2327] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2369] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2585] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2620] [2024-11-19 22:01:05,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2637] [2024-11-19 22:01:05,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51682,51695] [2024-11-19 22:01:05,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:01:05,222 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:01:05,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05 WrapperNode [2024-11-19 22:01:05,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:01:05,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:01:05,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:01:05,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:01:05,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,304 INFO L138 Inliner]: procedures = 126, calls = 185, calls flagged for inlining = 57, calls inlined = 52, statements flattened = 1003 [2024-11-19 22:01:05,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:01:05,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:01:05,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:01:05,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:01:05,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,351 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-19 22:01:05,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:01:05,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:01:05,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:01:05,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:01:05,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (1/1) ... [2024-11-19 22:01:05,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:01:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:05,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:01:05,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-19 22:01:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-19 22:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-19 22:01:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-19 22:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-19 22:01:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-19 22:01:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-19 22:01:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-19 22:01:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-19 22:01:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-19 22:01:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-19 22:01:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-19 22:01:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-19 22:01:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-19 22:01:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-19 22:01:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-19 22:01:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:01:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-19 22:01:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-19 22:01:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-19 22:01:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-19 22:01:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-19 22:01:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-19 22:01:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-19 22:01:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-19 22:01:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-19 22:01:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-19 22:01:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-19 22:01:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-19 22:01:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-19 22:01:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-19 22:01:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-19 22:01:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:01:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:01:05,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:01:05,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:01:06,242 INFO L? ?]: Removed 417 outVars from TransFormulas that were not future-live. [2024-11-19 22:01:06,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:01:06,258 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:01:06,258 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 22:01:06,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:06 BoogieIcfgContainer [2024-11-19 22:01:06,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:01:06,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:01:06,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:01:06,263 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:01:06,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:01:04" (1/3) ... [2024-11-19 22:01:06,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541628f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:06, skipping insertion in model container [2024-11-19 22:01:06,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:05" (2/3) ... [2024-11-19 22:01:06,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541628f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:06, skipping insertion in model container [2024-11-19 22:01:06,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:06" (3/3) ... [2024-11-19 22:01:06,264 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product16.cil.c [2024-11-19 22:01:06,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:01:06,276 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:01:06,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:01:06,333 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c1baec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:01:06,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:01:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 236 states have (on average 1.5338983050847457) internal successors, (362), 240 states have internal predecessors, (362), 45 states have call successors, (45), 16 states have call predecessors, (45), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 22:01:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 22:01:06,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:06,351 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:06,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:06,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash -806898450, now seen corresponding path program 1 times [2024-11-19 22:01:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457529563] [2024-11-19 22:01:06,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:01:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:01:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:01:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-19 22:01:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-19 22:01:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:01:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:01:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:01:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 22:01:06,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:06,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457529563] [2024-11-19 22:01:06,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457529563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:06,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824184124] [2024-11-19 22:01:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:06,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:06,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:06,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 22:01:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 22:01:07,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:01:07,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:01:07,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824184124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:07,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:01:07,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-19 22:01:07,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704099635] [2024-11-19 22:01:07,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:07,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:01:07,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:07,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:01:07,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:01:07,247 INFO L87 Difference]: Start difference. First operand has 299 states, 236 states have (on average 1.5338983050847457) internal successors, (362), 240 states have internal predecessors, (362), 45 states have call successors, (45), 16 states have call predecessors, (45), 16 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:07,287 INFO L93 Difference]: Finished difference Result 444 states and 658 transitions. [2024-11-19 22:01:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:01:07,289 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2024-11-19 22:01:07,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:07,299 INFO L225 Difference]: With dead ends: 444 [2024-11-19 22:01:07,299 INFO L226 Difference]: Without dead ends: 292 [2024-11-19 22:01:07,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:01:07,307 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:07,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:01:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-19 22:01:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-19 22:01:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 230 states have (on average 1.5260869565217392) internal successors, (351), 233 states have internal predecessors, (351), 45 states have call successors, (45), 16 states have call predecessors, (45), 16 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-19 22:01:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 440 transitions. [2024-11-19 22:01:07,363 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 440 transitions. Word has length 89 [2024-11-19 22:01:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:07,367 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 440 transitions. [2024-11-19 22:01:07,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 440 transitions. [2024-11-19 22:01:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:01:07,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:07,376 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:07,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:07,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 22:01:07,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:07,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1177822227, now seen corresponding path program 1 times [2024-11-19 22:01:07,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:07,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519761708] [2024-11-19 22:01:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:01:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:01:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:01:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-19 22:01:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-19 22:01:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 22:01:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:01:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:01:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 22:01:07,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519761708] [2024-11-19 22:01:07,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519761708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:07,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817143971] [2024-11-19 22:01:07,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:07,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:07,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:07,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:07,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 22:01:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 22:01:08,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:01:08,088 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:01:08,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817143971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:08,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:01:08,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 22:01:08,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596371729] [2024-11-19 22:01:08,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:08,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:01:08,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:08,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:01:08,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:01:08,091 INFO L87 Difference]: Start difference. First operand 292 states and 440 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:08,128 INFO L93 Difference]: Finished difference Result 434 states and 639 transitions. [2024-11-19 22:01:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:01:08,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2024-11-19 22:01:08,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:08,131 INFO L225 Difference]: With dead ends: 434 [2024-11-19 22:01:08,131 INFO L226 Difference]: Without dead ends: 295 [2024-11-19 22:01:08,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:01:08,132 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 1 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:08,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 874 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:01:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-19 22:01:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 294. [2024-11-19 22:01:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 232 states have (on average 1.521551724137931) internal successors, (353), 235 states have internal predecessors, (353), 45 states have call successors, (45), 16 states have call predecessors, (45), 16 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-19 22:01:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 442 transitions. [2024-11-19 22:01:08,158 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 442 transitions. Word has length 90 [2024-11-19 22:01:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:08,158 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 442 transitions. [2024-11-19 22:01:08,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 442 transitions. [2024-11-19 22:01:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:01:08,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:08,161 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:08,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:08,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 22:01:08,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:08,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:08,366 INFO L85 PathProgramCache]: Analyzing trace with hash 213599068, now seen corresponding path program 1 times [2024-11-19 22:01:08,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:08,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855791708] [2024-11-19 22:01:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:01:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:01:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:01:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-19 22:01:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 22:01:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 22:01:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:01:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 22:01:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:01:08,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:08,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855791708] [2024-11-19 22:01:08,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855791708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:08,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798135615] [2024-11-19 22:01:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:08,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:08,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:08,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:08,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 22:01:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:08,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 22:01:08,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 22:01:08,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:01:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798135615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:08,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:01:08,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-19 22:01:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938987005] [2024-11-19 22:01:08,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:08,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:01:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:01:08,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:01:08,811 INFO L87 Difference]: Start difference. First operand 294 states and 442 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:08,839 INFO L93 Difference]: Finished difference Result 618 states and 943 transitions. [2024-11-19 22:01:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:01:08,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2024-11-19 22:01:08,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:08,843 INFO L225 Difference]: With dead ends: 618 [2024-11-19 22:01:08,846 INFO L226 Difference]: Without dead ends: 351 [2024-11-19 22:01:08,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 22:01:08,848 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 107 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:08,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 847 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:01:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-19 22:01:08,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 343. [2024-11-19 22:01:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 270 states have (on average 1.537037037037037) internal successors, (415), 273 states have internal predecessors, (415), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-19 22:01:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 526 transitions. [2024-11-19 22:01:08,873 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 526 transitions. Word has length 96 [2024-11-19 22:01:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:08,874 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 526 transitions. [2024-11-19 22:01:08,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 526 transitions. [2024-11-19 22:01:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 22:01:08,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:08,877 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:08,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:09,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:09,078 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:09,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1191934709, now seen corresponding path program 1 times [2024-11-19 22:01:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218440904] [2024-11-19 22:01:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:09,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:01:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:01:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-19 22:01:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-19 22:01:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 22:01:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 22:01:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:01:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 22:01:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:01:09,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:09,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218440904] [2024-11-19 22:01:09,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218440904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:09,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947405688] [2024-11-19 22:01:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:09,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:09,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:09,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:09,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 22:01:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 22:01:09,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 22:01:09,477 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:01:09,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947405688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:09,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:01:09,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-19 22:01:09,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979435376] [2024-11-19 22:01:09,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:09,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:01:09,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:09,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:01:09,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:01:09,479 INFO L87 Difference]: Start difference. First operand 343 states and 526 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:09,536 INFO L93 Difference]: Finished difference Result 677 states and 1042 transitions. [2024-11-19 22:01:09,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:01:09,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2024-11-19 22:01:09,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:09,538 INFO L225 Difference]: With dead ends: 677 [2024-11-19 22:01:09,538 INFO L226 Difference]: Without dead ends: 345 [2024-11-19 22:01:09,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:01:09,540 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 2 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:09,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1717 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:01:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-19 22:01:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-19 22:01:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 271 states have (on average 1.5350553505535056) internal successors, (416), 275 states have internal predecessors, (416), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 55 states have call successors, (57) [2024-11-19 22:01:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 529 transitions. [2024-11-19 22:01:09,561 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 529 transitions. Word has length 97 [2024-11-19 22:01:09,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:09,561 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 529 transitions. [2024-11-19 22:01:09,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 529 transitions. [2024-11-19 22:01:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 22:01:09,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:09,563 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:09,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:09,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:09,764 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:09,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash -398998019, now seen corresponding path program 1 times [2024-11-19 22:01:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:09,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955142087] [2024-11-19 22:01:09,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-19 22:01:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-19 22:01:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-19 22:01:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:01:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 22:01:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 22:01:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:01:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:01:09,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:09,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955142087] [2024-11-19 22:01:09,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955142087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274100055] [2024-11-19 22:01:09,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:09,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:09,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:09,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:09,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 22:01:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 22:01:10,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 22:01:10,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:01:10,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274100055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:10,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:01:10,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-19 22:01:10,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800716980] [2024-11-19 22:01:10,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:10,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:01:10,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:10,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:01:10,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 22:01:10,171 INFO L87 Difference]: Start difference. First operand 345 states and 529 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:10,216 INFO L93 Difference]: Finished difference Result 679 states and 1047 transitions. [2024-11-19 22:01:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:01:10,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 98 [2024-11-19 22:01:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:10,219 INFO L225 Difference]: With dead ends: 679 [2024-11-19 22:01:10,219 INFO L226 Difference]: Without dead ends: 347 [2024-11-19 22:01:10,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-19 22:01:10,220 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 2 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:10,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1703 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:01:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-19 22:01:10,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2024-11-19 22:01:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 272 states have (on average 1.5330882352941178) internal successors, (417), 277 states have internal predecessors, (417), 56 states have call successors, (56), 16 states have call predecessors, (56), 18 states have return successors, (62), 55 states have call predecessors, (62), 55 states have call successors, (62) [2024-11-19 22:01:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 535 transitions. [2024-11-19 22:01:10,246 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 535 transitions. Word has length 98 [2024-11-19 22:01:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:10,249 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 535 transitions. [2024-11-19 22:01:10,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 535 transitions. [2024-11-19 22:01:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 22:01:10,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:10,252 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:10,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:10,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:10,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:10,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 262721501, now seen corresponding path program 1 times [2024-11-19 22:01:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:10,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724837009] [2024-11-19 22:01:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-19 22:01:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-19 22:01:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-19 22:01:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 22:01:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 22:01:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:01:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:01:10,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724837009] [2024-11-19 22:01:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724837009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:10,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:10,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:01:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718582696] [2024-11-19 22:01:10,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:10,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:01:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:01:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:01:10,614 INFO L87 Difference]: Start difference. First operand 347 states and 535 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:12,107 INFO L93 Difference]: Finished difference Result 819 states and 1261 transitions. [2024-11-19 22:01:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 22:01:12,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 99 [2024-11-19 22:01:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:12,114 INFO L225 Difference]: With dead ends: 819 [2024-11-19 22:01:12,114 INFO L226 Difference]: Without dead ends: 495 [2024-11-19 22:01:12,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:01:12,115 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 914 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:12,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1108 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:01:12,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-19 22:01:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 347. [2024-11-19 22:01:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 272 states have (on average 1.5330882352941178) internal successors, (417), 277 states have internal predecessors, (417), 56 states have call successors, (56), 16 states have call predecessors, (56), 18 states have return successors, (61), 55 states have call predecessors, (61), 55 states have call successors, (61) [2024-11-19 22:01:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 534 transitions. [2024-11-19 22:01:12,138 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 534 transitions. Word has length 99 [2024-11-19 22:01:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:12,138 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 534 transitions. [2024-11-19 22:01:12,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 534 transitions. [2024-11-19 22:01:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 22:01:12,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:12,140 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:12,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:01:12,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:12,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 963094467, now seen corresponding path program 2 times [2024-11-19 22:01:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778938511] [2024-11-19 22:01:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-19 22:01:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-19 22:01:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-19 22:01:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:01:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 22:01:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-19 22:01:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 22:01:12,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:12,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778938511] [2024-11-19 22:01:12,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778938511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:12,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:12,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 22:01:12,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425676272] [2024-11-19 22:01:12,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:12,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:01:12,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:12,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:01:12,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:01:12,292 INFO L87 Difference]: Start difference. First operand 347 states and 534 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:13,692 INFO L93 Difference]: Finished difference Result 821 states and 1264 transitions. [2024-11-19 22:01:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 22:01:13,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 100 [2024-11-19 22:01:13,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:13,695 INFO L225 Difference]: With dead ends: 821 [2024-11-19 22:01:13,695 INFO L226 Difference]: Without dead ends: 497 [2024-11-19 22:01:13,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:01:13,697 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 910 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:13,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 1108 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 22:01:13,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-19 22:01:13,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 349. [2024-11-19 22:01:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 273 states have (on average 1.531135531135531) internal successors, (418), 279 states have internal predecessors, (418), 56 states have call successors, (56), 16 states have call predecessors, (56), 19 states have return successors, (63), 55 states have call predecessors, (63), 55 states have call successors, (63) [2024-11-19 22:01:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 537 transitions. [2024-11-19 22:01:13,720 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 537 transitions. Word has length 100 [2024-11-19 22:01:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:13,720 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 537 transitions. [2024-11-19 22:01:13,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-19 22:01:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 537 transitions. [2024-11-19 22:01:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 22:01:13,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:13,722 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:13,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:01:13,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:13,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:13,723 INFO L85 PathProgramCache]: Analyzing trace with hash -868146014, now seen corresponding path program 1 times [2024-11-19 22:01:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:13,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685327332] [2024-11-19 22:01:13,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:13,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-19 22:01:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-19 22:01:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:01:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 22:01:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-19 22:01:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:13,878 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:01:13,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:13,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685327332] [2024-11-19 22:01:13,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685327332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:13,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:13,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:01:13,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033980533] [2024-11-19 22:01:13,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:13,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:01:13,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:13,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:01:13,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:01:13,880 INFO L87 Difference]: Start difference. First operand 349 states and 537 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 22:01:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:15,793 INFO L93 Difference]: Finished difference Result 819 states and 1259 transitions. [2024-11-19 22:01:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:01:15,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2024-11-19 22:01:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:15,797 INFO L225 Difference]: With dead ends: 819 [2024-11-19 22:01:15,797 INFO L226 Difference]: Without dead ends: 497 [2024-11-19 22:01:15,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 22:01:15,799 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 914 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3803 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 4080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:15,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1535 Invalid, 4080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3803 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-19 22:01:15,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-19 22:01:15,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 349. [2024-11-19 22:01:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 273 states have (on average 1.531135531135531) internal successors, (418), 279 states have internal predecessors, (418), 56 states have call successors, (56), 16 states have call predecessors, (56), 19 states have return successors, (62), 55 states have call predecessors, (62), 55 states have call successors, (62) [2024-11-19 22:01:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 536 transitions. [2024-11-19 22:01:15,819 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 536 transitions. Word has length 101 [2024-11-19 22:01:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:15,819 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 536 transitions. [2024-11-19 22:01:15,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 22:01:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 536 transitions. [2024-11-19 22:01:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 22:01:15,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:15,821 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:15,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:01:15,821 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:15,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash 400437826, now seen corresponding path program 2 times [2024-11-19 22:01:15,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:15,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461382264] [2024-11-19 22:01:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:15,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-19 22:01:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-19 22:01:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:01:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 22:01:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 22:01:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 22:01:15,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:15,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461382264] [2024-11-19 22:01:15,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461382264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:15,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:15,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:01:15,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510585572] [2024-11-19 22:01:15,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:15,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:01:15,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:15,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:01:15,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:01:15,990 INFO L87 Difference]: Start difference. First operand 349 states and 536 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 22:01:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:17,759 INFO L93 Difference]: Finished difference Result 821 states and 1265 transitions. [2024-11-19 22:01:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:01:17,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 102 [2024-11-19 22:01:17,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:17,763 INFO L225 Difference]: With dead ends: 821 [2024-11-19 22:01:17,763 INFO L226 Difference]: Without dead ends: 499 [2024-11-19 22:01:17,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-19 22:01:17,765 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 910 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 4121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:17,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 1536 Invalid, 4121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 22:01:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-19 22:01:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 351. [2024-11-19 22:01:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 274 states have (on average 1.5291970802919708) internal successors, (419), 281 states have internal predecessors, (419), 56 states have call successors, (56), 16 states have call predecessors, (56), 20 states have return successors, (67), 55 states have call predecessors, (67), 55 states have call successors, (67) [2024-11-19 22:01:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 542 transitions. [2024-11-19 22:01:17,786 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 542 transitions. Word has length 102 [2024-11-19 22:01:17,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:17,786 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 542 transitions. [2024-11-19 22:01:17,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 22:01:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 542 transitions. [2024-11-19 22:01:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 22:01:17,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:17,787 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:17,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:01:17,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:17,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1821386649, now seen corresponding path program 1 times [2024-11-19 22:01:17,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:17,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912231793] [2024-11-19 22:01:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-19 22:01:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-19 22:01:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:01:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 22:01:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:01:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:17,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912231793] [2024-11-19 22:01:17,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912231793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:01:17,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806280828] [2024-11-19 22:01:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:17,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:17,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:01:17,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:01:17,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 22:01:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:18,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 22:01:18,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:01:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:18,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 22:01:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:18,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806280828] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 22:01:18,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 22:01:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-19 22:01:18,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052610901] [2024-11-19 22:01:18,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 22:01:18,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:01:18,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:01:18,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:01:18,221 INFO L87 Difference]: Start difference. First operand 351 states and 542 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 22:01:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:19,514 INFO L93 Difference]: Finished difference Result 990 states and 1593 transitions. [2024-11-19 22:01:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:01:19,514 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-11-19 22:01:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:19,520 INFO L225 Difference]: With dead ends: 990 [2024-11-19 22:01:19,520 INFO L226 Difference]: Without dead ends: 851 [2024-11-19 22:01:19,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:01:19,522 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1322 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:19,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 1321 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:01:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-19 22:01:19,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 679. [2024-11-19 22:01:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 538 states have (on average 1.5929368029739777) internal successors, (857), 545 states have internal predecessors, (857), 120 states have call successors, (120), 16 states have call predecessors, (120), 20 states have return successors, (141), 119 states have call predecessors, (141), 119 states have call successors, (141) [2024-11-19 22:01:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1118 transitions. [2024-11-19 22:01:19,556 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1118 transitions. Word has length 103 [2024-11-19 22:01:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:19,556 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 1118 transitions. [2024-11-19 22:01:19,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 22:01:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1118 transitions. [2024-11-19 22:01:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 22:01:19,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:19,559 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:19,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 22:01:19,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:01:19,760 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:19,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:19,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1014946556, now seen corresponding path program 1 times [2024-11-19 22:01:19,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:19,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387190808] [2024-11-19 22:01:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:19,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-19 22:01:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:01:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:01:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-19 22:01:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 22:01:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:19,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387190808] [2024-11-19 22:01:19,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387190808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:19,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:19,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:19,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947978119] [2024-11-19 22:01:19,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:19,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:19,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:19,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:19,850 INFO L87 Difference]: Start difference. First operand 679 states and 1118 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:20,732 INFO L93 Difference]: Finished difference Result 1771 states and 2964 transitions. [2024-11-19 22:01:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-19 22:01:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:20,737 INFO L225 Difference]: With dead ends: 1771 [2024-11-19 22:01:20,737 INFO L226 Difference]: Without dead ends: 1160 [2024-11-19 22:01:20,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:20,740 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1014 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:20,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 849 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-19 22:01:20,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1004. [2024-11-19 22:01:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 799 states have (on average 1.6045056320400501) internal successors, (1282), 806 states have internal predecessors, (1282), 184 states have call successors, (184), 16 states have call predecessors, (184), 20 states have return successors, (215), 183 states have call predecessors, (215), 183 states have call successors, (215) [2024-11-19 22:01:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1681 transitions. [2024-11-19 22:01:20,772 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1681 transitions. Word has length 109 [2024-11-19 22:01:20,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:20,772 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1681 transitions. [2024-11-19 22:01:20,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1681 transitions. [2024-11-19 22:01:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 22:01:20,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:20,776 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:20,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:01:20,776 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:20,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:20,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2033055594, now seen corresponding path program 1 times [2024-11-19 22:01:20,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:20,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895040694] [2024-11-19 22:01:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-19 22:01:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:01:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:01:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-19 22:01:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 22:01:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:20,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:20,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895040694] [2024-11-19 22:01:20,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895040694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:20,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:20,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:20,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95919858] [2024-11-19 22:01:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:20,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:20,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:20,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:20,851 INFO L87 Difference]: Start difference. First operand 1004 states and 1681 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:21,818 INFO L93 Difference]: Finished difference Result 2551 states and 4313 transitions. [2024-11-19 22:01:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:21,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-11-19 22:01:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:21,825 INFO L225 Difference]: With dead ends: 2551 [2024-11-19 22:01:21,825 INFO L226 Difference]: Without dead ends: 1668 [2024-11-19 22:01:21,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:21,828 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1012 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:21,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 812 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-19 22:01:21,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1512. [2024-11-19 22:01:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1212 states have (on average 1.6113861386138615) internal successors, (1953), 1219 states have internal predecessors, (1953), 279 states have call successors, (279), 16 states have call predecessors, (279), 20 states have return successors, (310), 278 states have call predecessors, (310), 278 states have call successors, (310) [2024-11-19 22:01:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2542 transitions. [2024-11-19 22:01:21,875 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2542 transitions. Word has length 110 [2024-11-19 22:01:21,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:21,876 INFO L471 AbstractCegarLoop]: Abstraction has 1512 states and 2542 transitions. [2024-11-19 22:01:21,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2542 transitions. [2024-11-19 22:01:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 22:01:21,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:21,880 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:21,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:01:21,881 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:21,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:21,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1439293862, now seen corresponding path program 1 times [2024-11-19 22:01:21,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:21,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9306258] [2024-11-19 22:01:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-19 22:01:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:01:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-19 22:01:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-19 22:01:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 22:01:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:21,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9306258] [2024-11-19 22:01:21,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9306258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:21,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:21,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:21,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323280022] [2024-11-19 22:01:21,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:21,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:21,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:21,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:21,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:21,956 INFO L87 Difference]: Start difference. First operand 1512 states and 2542 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:22,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:22,873 INFO L93 Difference]: Finished difference Result 3703 states and 6322 transitions. [2024-11-19 22:01:22,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:22,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-19 22:01:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:22,887 INFO L225 Difference]: With dead ends: 3703 [2024-11-19 22:01:22,887 INFO L226 Difference]: Without dead ends: 2437 [2024-11-19 22:01:22,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:22,891 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1010 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:22,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 811 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:22,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2024-11-19 22:01:22,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2281. [2024-11-19 22:01:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 1858 states have (on average 1.6167922497308935) internal successors, (3004), 1865 states have internal predecessors, (3004), 402 states have call successors, (402), 16 states have call predecessors, (402), 20 states have return successors, (449), 401 states have call predecessors, (449), 401 states have call successors, (449) [2024-11-19 22:01:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3855 transitions. [2024-11-19 22:01:22,956 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3855 transitions. Word has length 111 [2024-11-19 22:01:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:22,956 INFO L471 AbstractCegarLoop]: Abstraction has 2281 states and 3855 transitions. [2024-11-19 22:01:22,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3855 transitions. [2024-11-19 22:01:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 22:01:22,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:22,962 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:22,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:01:22,962 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:22,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:22,963 INFO L85 PathProgramCache]: Analyzing trace with hash -497333621, now seen corresponding path program 1 times [2024-11-19 22:01:22,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:22,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242667315] [2024-11-19 22:01:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-19 22:01:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:01:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-19 22:01:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-19 22:01:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 22:01:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:23,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:23,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242667315] [2024-11-19 22:01:23,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242667315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:23,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:23,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:23,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366454842] [2024-11-19 22:01:23,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:23,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:23,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:23,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:23,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:23,079 INFO L87 Difference]: Start difference. First operand 2281 states and 3855 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:24,037 INFO L93 Difference]: Finished difference Result 5497 states and 9456 transitions. [2024-11-19 22:01:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:24,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2024-11-19 22:01:24,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:24,052 INFO L225 Difference]: With dead ends: 5497 [2024-11-19 22:01:24,052 INFO L226 Difference]: Without dead ends: 3666 [2024-11-19 22:01:24,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:24,057 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1008 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:24,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 811 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:24,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3666 states. [2024-11-19 22:01:24,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3666 to 3510. [2024-11-19 22:01:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3510 states, 2908 states have (on average 1.6200137551581844) internal successors, (4711), 2915 states have internal predecessors, (4711), 581 states have call successors, (581), 16 states have call predecessors, (581), 20 states have return successors, (654), 580 states have call predecessors, (654), 580 states have call successors, (654) [2024-11-19 22:01:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 3510 states and 5946 transitions. [2024-11-19 22:01:24,174 INFO L78 Accepts]: Start accepts. Automaton has 3510 states and 5946 transitions. Word has length 112 [2024-11-19 22:01:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:24,174 INFO L471 AbstractCegarLoop]: Abstraction has 3510 states and 5946 transitions. [2024-11-19 22:01:24,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3510 states and 5946 transitions. [2024-11-19 22:01:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 22:01:24,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:24,181 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:24,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:01:24,182 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:24,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1467419038, now seen corresponding path program 1 times [2024-11-19 22:01:24,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:24,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363876602] [2024-11-19 22:01:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:24,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-19 22:01:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 22:01:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-19 22:01:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-19 22:01:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:01:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:24,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:24,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363876602] [2024-11-19 22:01:24,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363876602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:24,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:24,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:24,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272019349] [2024-11-19 22:01:24,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:24,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:24,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:24,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:24,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:24,256 INFO L87 Difference]: Start difference. First operand 3510 states and 5946 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:25,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:25,312 INFO L93 Difference]: Finished difference Result 8445 states and 14603 transitions. [2024-11-19 22:01:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:25,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2024-11-19 22:01:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:25,332 INFO L225 Difference]: With dead ends: 8445 [2024-11-19 22:01:25,333 INFO L226 Difference]: Without dead ends: 5697 [2024-11-19 22:01:25,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:25,340 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1006 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:25,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 830 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:01:25,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2024-11-19 22:01:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5541. [2024-11-19 22:01:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5541 states, 4563 states have (on average 1.613631382862152) internal successors, (7363), 4570 states have internal predecessors, (7363), 957 states have call successors, (957), 16 states have call predecessors, (957), 20 states have return successors, (1074), 956 states have call predecessors, (1074), 956 states have call successors, (1074) [2024-11-19 22:01:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5541 states to 5541 states and 9394 transitions. [2024-11-19 22:01:25,510 INFO L78 Accepts]: Start accepts. Automaton has 5541 states and 9394 transitions. Word has length 113 [2024-11-19 22:01:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:25,511 INFO L471 AbstractCegarLoop]: Abstraction has 5541 states and 9394 transitions. [2024-11-19 22:01:25,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5541 states and 9394 transitions. [2024-11-19 22:01:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 22:01:25,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:25,520 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:25,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:01:25,520 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:25,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash -678340145, now seen corresponding path program 1 times [2024-11-19 22:01:25,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:25,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269319837] [2024-11-19 22:01:25,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:25,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-19 22:01:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:01:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-19 22:01:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-19 22:01:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-19 22:01:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:25,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:25,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269319837] [2024-11-19 22:01:25,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269319837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:25,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816819926] [2024-11-19 22:01:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:25,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:25,602 INFO L87 Difference]: Start difference. First operand 5541 states and 9394 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:26,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:26,708 INFO L93 Difference]: Finished difference Result 13782 states and 23824 transitions. [2024-11-19 22:01:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:26,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 114 [2024-11-19 22:01:26,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:26,743 INFO L225 Difference]: With dead ends: 13782 [2024-11-19 22:01:26,744 INFO L226 Difference]: Without dead ends: 9380 [2024-11-19 22:01:26,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:26,757 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1004 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:26,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 818 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9380 states. [2024-11-19 22:01:26,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9380 to 9224. [2024-11-19 22:01:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9224 states, 7640 states have (on average 1.6111256544502617) internal successors, (12309), 7647 states have internal predecessors, (12309), 1563 states have call successors, (1563), 16 states have call predecessors, (1563), 20 states have return successors, (1758), 1562 states have call predecessors, (1758), 1562 states have call successors, (1758) [2024-11-19 22:01:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 15630 transitions. [2024-11-19 22:01:27,082 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 15630 transitions. Word has length 114 [2024-11-19 22:01:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:27,082 INFO L471 AbstractCegarLoop]: Abstraction has 9224 states and 15630 transitions. [2024-11-19 22:01:27,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 15630 transitions. [2024-11-19 22:01:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 22:01:27,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:27,094 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:27,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 22:01:27,095 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:27,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:27,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1860754352, now seen corresponding path program 1 times [2024-11-19 22:01:27,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:27,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201289546] [2024-11-19 22:01:27,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:27,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-19 22:01:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-19 22:01:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-19 22:01:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-19 22:01:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-19 22:01:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:27,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:27,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201289546] [2024-11-19 22:01:27,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201289546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:27,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:27,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:27,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173375515] [2024-11-19 22:01:27,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:27,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:27,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:27,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:27,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:27,183 INFO L87 Difference]: Start difference. First operand 9224 states and 15630 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:28,246 INFO L93 Difference]: Finished difference Result 23966 states and 41370 transitions. [2024-11-19 22:01:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:28,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-11-19 22:01:28,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:28,296 INFO L225 Difference]: With dead ends: 23966 [2024-11-19 22:01:28,297 INFO L226 Difference]: Without dead ends: 16333 [2024-11-19 22:01:28,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:28,319 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1002 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1017 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:28,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1017 Valid, 884 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:01:28,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16333 states. [2024-11-19 22:01:28,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16333 to 16177. [2024-11-19 22:01:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16177 states, 13390 states have (on average 1.6020164301717699) internal successors, (21451), 13397 states have internal predecessors, (21451), 2766 states have call successors, (2766), 16 states have call predecessors, (2766), 20 states have return successors, (3105), 2765 states have call predecessors, (3105), 2765 states have call successors, (3105) [2024-11-19 22:01:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16177 states to 16177 states and 27322 transitions. [2024-11-19 22:01:28,847 INFO L78 Accepts]: Start accepts. Automaton has 16177 states and 27322 transitions. Word has length 115 [2024-11-19 22:01:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:28,848 INFO L471 AbstractCegarLoop]: Abstraction has 16177 states and 27322 transitions. [2024-11-19 22:01:28,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 16177 states and 27322 transitions. [2024-11-19 22:01:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 22:01:28,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:28,866 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:28,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 22:01:28,866 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:28,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:28,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1941197296, now seen corresponding path program 1 times [2024-11-19 22:01:28,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:28,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553011790] [2024-11-19 22:01:28,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:28,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-19 22:01:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-19 22:01:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-19 22:01:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-19 22:01:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-19 22:01:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:28,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:28,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553011790] [2024-11-19 22:01:28,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553011790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:28,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:28,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:28,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944885539] [2024-11-19 22:01:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:28,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:28,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:28,970 INFO L87 Difference]: Start difference. First operand 16177 states and 27322 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:30,329 INFO L93 Difference]: Finished difference Result 42932 states and 73969 transitions. [2024-11-19 22:01:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:30,330 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2024-11-19 22:01:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:30,424 INFO L225 Difference]: With dead ends: 42932 [2024-11-19 22:01:30,425 INFO L226 Difference]: Without dead ends: 28988 [2024-11-19 22:01:30,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:30,466 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1000 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:30,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 812 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28988 states. [2024-11-19 22:01:31,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28988 to 28832. [2024-11-19 22:01:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28832 states, 24006 states have (on average 1.597725568607848) internal successors, (38355), 24013 states have internal predecessors, (38355), 4805 states have call successors, (4805), 16 states have call predecessors, (4805), 20 states have return successors, (5418), 4804 states have call predecessors, (5418), 4804 states have call successors, (5418) [2024-11-19 22:01:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28832 states to 28832 states and 48578 transitions. [2024-11-19 22:01:31,351 INFO L78 Accepts]: Start accepts. Automaton has 28832 states and 48578 transitions. Word has length 116 [2024-11-19 22:01:31,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:31,351 INFO L471 AbstractCegarLoop]: Abstraction has 28832 states and 48578 transitions. [2024-11-19 22:01:31,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 28832 states and 48578 transitions. [2024-11-19 22:01:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 22:01:31,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:31,370 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:31,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 22:01:31,371 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:31,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash -732373582, now seen corresponding path program 1 times [2024-11-19 22:01:31,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:31,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396279953] [2024-11-19 22:01:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:31,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-19 22:01:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-19 22:01:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-19 22:01:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-19 22:01:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-19 22:01:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:31,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:31,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396279953] [2024-11-19 22:01:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396279953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:31,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:31,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:31,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797247320] [2024-11-19 22:01:31,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:31,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:31,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:31,456 INFO L87 Difference]: Start difference. First operand 28832 states and 48578 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:33,516 INFO L93 Difference]: Finished difference Result 78694 states and 134728 transitions. [2024-11-19 22:01:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2024-11-19 22:01:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:33,781 INFO L225 Difference]: With dead ends: 78694 [2024-11-19 22:01:33,782 INFO L226 Difference]: Without dead ends: 52867 [2024-11-19 22:01:33,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:33,833 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 998 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:33,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 849 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:01:33,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52867 states. [2024-11-19 22:01:35,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52867 to 52711. [2024-11-19 22:01:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52711 states, 44170 states have (on average 1.5921213493321258) internal successors, (70324), 44177 states have internal predecessors, (70324), 8520 states have call successors, (8520), 16 states have call predecessors, (8520), 20 states have return successors, (9665), 8519 states have call predecessors, (9665), 8519 states have call successors, (9665) [2024-11-19 22:01:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52711 states to 52711 states and 88509 transitions. [2024-11-19 22:01:35,764 INFO L78 Accepts]: Start accepts. Automaton has 52711 states and 88509 transitions. Word has length 117 [2024-11-19 22:01:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:35,765 INFO L471 AbstractCegarLoop]: Abstraction has 52711 states and 88509 transitions. [2024-11-19 22:01:35,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 52711 states and 88509 transitions. [2024-11-19 22:01:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 22:01:35,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:35,783 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:35,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 22:01:35,783 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:35,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:35,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1116888912, now seen corresponding path program 1 times [2024-11-19 22:01:35,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:35,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182257965] [2024-11-19 22:01:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:35,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-19 22:01:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-19 22:01:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-19 22:01:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:36,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-19 22:01:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-19 22:01:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:36,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:36,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182257965] [2024-11-19 22:01:36,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182257965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:36,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:36,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:01:36,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985341450] [2024-11-19 22:01:36,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:36,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:01:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:36,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:01:36,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:01:36,021 INFO L87 Difference]: Start difference. First operand 52711 states and 88509 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:38,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:38,543 INFO L93 Difference]: Finished difference Result 98465 states and 168915 transitions. [2024-11-19 22:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 22:01:38,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2024-11-19 22:01:38,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:38,902 INFO L225 Difference]: With dead ends: 98465 [2024-11-19 22:01:38,902 INFO L226 Difference]: Without dead ends: 98326 [2024-11-19 22:01:38,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:01:38,941 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 993 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:38,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 852 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1332 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:01:39,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98326 states. [2024-11-19 22:01:41,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98326 to 98170. [2024-11-19 22:01:41,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98170 states, 82830 states have (on average 1.5851020161777134) internal successors, (131294), 82837 states have internal predecessors, (131294), 15319 states have call successors, (15319), 16 states have call predecessors, (15319), 20 states have return successors, (17510), 15318 states have call predecessors, (17510), 15318 states have call successors, (17510) [2024-11-19 22:01:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98170 states to 98170 states and 164123 transitions. [2024-11-19 22:01:41,986 INFO L78 Accepts]: Start accepts. Automaton has 98170 states and 164123 transitions. Word has length 118 [2024-11-19 22:01:41,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:41,986 INFO L471 AbstractCegarLoop]: Abstraction has 98170 states and 164123 transitions. [2024-11-19 22:01:41,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 22:01:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 98170 states and 164123 transitions. [2024-11-19 22:01:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 22:01:42,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:42,004 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:42,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:01:42,004 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:42,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:42,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2090243313, now seen corresponding path program 1 times [2024-11-19 22:01:42,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:42,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474890381] [2024-11-19 22:01:42,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:42,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:01:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:01:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:01:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-19 22:01:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-19 22:01:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:42,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:42,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474890381] [2024-11-19 22:01:42,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474890381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:42,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:42,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-19 22:01:42,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786981451] [2024-11-19 22:01:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:42,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 22:01:42,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:42,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 22:01:42,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-19 22:01:42,254 INFO L87 Difference]: Start difference. First operand 98170 states and 164123 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 10 states have internal predecessors, (82), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-19 22:01:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:01:49,961 INFO L93 Difference]: Finished difference Result 196073 states and 339717 transitions. [2024-11-19 22:01:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-19 22:01:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 10 states have internal predecessors, (82), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 119 [2024-11-19 22:01:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:01:50,713 INFO L225 Difference]: With dead ends: 196073 [2024-11-19 22:01:50,714 INFO L226 Difference]: Without dead ends: 195940 [2024-11-19 22:01:50,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=2825, Unknown=0, NotChecked=0, Total=3540 [2024-11-19 22:01:50,790 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 3709 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 6071 mSolverCounterSat, 1164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 7235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1164 IncrementalHoareTripleChecker+Valid, 6071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:01:50,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2628 Invalid, 7235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1164 Valid, 6071 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-19 22:01:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195940 states. [2024-11-19 22:01:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195940 to 195512. [2024-11-19 22:01:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195512 states, 165032 states have (on average 1.5858984924135926) internal successors, (261724), 164935 states have internal predecessors, (261724), 30430 states have call successors, (30430), 41 states have call predecessors, (30430), 49 states have return successors, (38087), 30541 states have call predecessors, (38087), 30427 states have call successors, (38087) [2024-11-19 22:01:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195512 states to 195512 states and 330241 transitions. [2024-11-19 22:01:58,066 INFO L78 Accepts]: Start accepts. Automaton has 195512 states and 330241 transitions. Word has length 119 [2024-11-19 22:01:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:01:58,067 INFO L471 AbstractCegarLoop]: Abstraction has 195512 states and 330241 transitions. [2024-11-19 22:01:58,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 10 states have internal predecessors, (82), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-19 22:01:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 195512 states and 330241 transitions. [2024-11-19 22:01:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 22:01:58,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:01:58,094 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:01:58,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:01:58,095 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:01:58,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:01:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1622170436, now seen corresponding path program 1 times [2024-11-19 22:01:58,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:01:58,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684699883] [2024-11-19 22:01:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:01:58,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:01:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-19 22:01:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-19 22:01:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:01:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:01:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-19 22:01:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-19 22:01:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-19 22:01:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-19 22:01:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-19 22:01:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-19 22:01:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-19 22:01:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:01:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 22:01:58,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:01:58,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684699883] [2024-11-19 22:01:58,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684699883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:01:58,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:01:58,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:01:58,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247083285] [2024-11-19 22:01:58,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:01:58,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:01:58,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:01:58,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:01:58,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:01:58,263 INFO L87 Difference]: Start difference. First operand 195512 states and 330241 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-19 22:02:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:02:04,116 INFO L93 Difference]: Finished difference Result 196940 states and 338828 transitions. [2024-11-19 22:02:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 22:02:04,116 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 120 [2024-11-19 22:02:04,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:02:04,925 INFO L225 Difference]: With dead ends: 196940 [2024-11-19 22:02:04,926 INFO L226 Difference]: Without dead ends: 195992 [2024-11-19 22:02:04,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2024-11-19 22:02:04,980 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1923 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 3052 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 3052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:02:04,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1938 Valid, 1360 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 3052 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 22:02:05,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195992 states.